EUVD-2026-48753

A flaw was found in libsoup. An unsigned integer underflow in the soupfilterinputstreamreaduntil function causes a heap buffer over-read when parsing multipart HTTP responses. A malicious HTTP server can exploit this by sending a crafted multipart response, potentially causing the client...

Linux Distros Unpatched Vulnerability : CVE-2026-66337

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A flaw was found in libsoup. An unsigned integer underflow in the soupfilterinputstreamreaduntil function causes a heap buffer over-read when parsing multipart...

Linux Distros Unpatched Vulnerability : CVE-2026-12548

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A heap out-of-bounds read flaw was found in libsoup. When parsing multipart HTTP messages, an integer type mismatch between the caller and soupheadersparse can...

Linux Distros Unpatched Vulnerability : CVE-2026-66339

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A flaw was found in libsoup. After a CONNECT tunnel is established through an HTTP proxy, libsoup incorrectly attaches the Proxy-Authorization header to...

Linux Distros Unpatched Vulnerability : CVE-2026-66338

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A flaw was found in libsoup. The chunked transfer encoding parser uses a permissive parsing function for chunk sizes that silently accepts inputs violating RFC...

DEBIAN-CVE-2026-66338

A flaw was found in libsoup. The chunked transfer encoding parser uses a permissive parsing function for chunk sizes that silently accepts inputs violating RFC 9112, including leading whitespace, plus sign prefixes, and trailing invalid characters. When libsoup operates behind a strict frontend...

DEBIAN-CVE-2026-66339

A flaw was found in libsoup. After a CONNECT tunnel is established through an HTTP proxy, libsoup incorrectly attaches the Proxy-Authorization header to subsequent HTTPS requests sent through that tunnel to the destination server. This allows the destination server to capture proxy credentials,...

CVE-2026-66338

A flaw was found in libsoup. The chunked transfer encoding parser uses a permissive parsing function for chunk sizes that silently accepts inputs violating RFC 9112, including leading whitespace, plus sign prefixes, and trailing invalid characters. When libsoup operates behind a strict frontend...

CVE-2026-66339

A flaw was found in libsoup. After a CONNECT tunnel is established through an HTTP proxy, libsoup incorrectly attaches the Proxy-Authorization header to subsequent HTTPS requests sent through that tunnel to the destination server. This allows the destination server to capture proxy credentials,...

CVE-2026-66337

A flaw was found in libsoup. An unsigned integer underflow in the soupfilterinputstreamreaduntil function causes a heap buffer over-read when parsing multipart HTTP responses. A malicious HTTP server can exploit this by sending a crafted multipart response, potentially causing the client...

DEBIAN-CVE-2026-66337

A flaw was found in libsoup. An unsigned integer underflow in the soupfilterinputstreamreaduntil function causes a heap buffer over-read when parsing multipart HTTP responses. A malicious HTTP server can exploit this by sending a crafted multipart response, potentially causing the client...

UBUNTU-CVE-2026-66338

A flaw was found in libsoup. The chunked transfer encoding parser uses a permissive parsing function for chunk sizes that silently accepts inputs violating RFC 9112, including leading whitespace, plus sign prefixes, and trailing invalid characters. When libsoup operates behind a strict frontend...

UBUNTU-CVE-2026-66337

A flaw was found in libsoup. An unsigned integer underflow in the soupfilterinputstreamreaduntil function causes a heap buffer over-read when parsing multipart HTTP responses. A malicious HTTP server can exploit this by sending a crafted multipart response, potentially causing the client...

UBUNTU-CVE-2026-66339

A flaw was found in libsoup. After a CONNECT tunnel is established through an HTTP proxy, libsoup incorrectly attaches the Proxy-Authorization header to subsequent HTTPS requests sent through that tunnel to the destination server. This allows the destination server to capture proxy credentials,...

CVE-2026-66337 Libsoup: libsoup: heap buffer over-read via integer underflow in soup_filter_input_stream_read_until()

A flaw was found in libsoup. An unsigned integer underflow in the soupfilterinputstreamreaduntil function causes a heap buffer over-read when parsing multipart HTTP responses. A malicious HTTP server can exploit this by sending a crafted multipart response, potentially causing the client...

CVE-2026-66338

The CVE-2026-66338 issue affects libsoup, specifically the HTTP chunked transfer encoding parser. The vulnerability stems from a permissive parsing function used for chunk sizes in soup_body_input_stream_read_chunked(), which accepts inputs violating RFC 9112 (leading whitespace, plus sign prefix...

CVE-2026-66337

Summary: Libsoup contains a flaw where an unsigned integer underflow in soup_filter_input_stream_read_until() leads to a heap buffer over-read while parsing multipart HTTP responses. A malicious HTTP server can exploit this by sending a crafted multipart response, potentially causing the client a...

CVE-2026-66337

A flaw was found in libsoup. An unsigned integer underflow in the soupfilterinputstreamreaduntil function causes a heap buffer over-read when parsing multipart HTTP responses. A malicious HTTP server can exploit this by sending a crafted multipart response, potentially causing the client...

CVE-2026-66338 Libsoup: libsoup: http request smuggling via permissive chunk-size parsing in soup_body_input_stream_read_chunked()

A flaw was found in libsoup. The chunked transfer encoding parser uses a permissive parsing function for chunk sizes that silently accepts inputs violating RFC 9112, including leading whitespace, plus sign prefixes, and trailing invalid characters. When libsoup operates behind a strict frontend...

CVE-2026-66337

A flaw was found in libsoup. An unsigned integer underflow in the soupfilterinputstreamreaduntil function causes a heap buffer over-read when parsing multipart HTTP responses. A malicious HTTP server can exploit this by sending a crafted multipart response, potentially causing the client...